/Engine/Source/Runtime/PakFile/Public/IPlatformFilePak.h
On Fortnite that would be 15GB of data (250k pak entries * 64kb patch block) just to add/change/remove a field.
struct FPakEntry
TArray<FPakCom...
CompressionBlocks
Array of compression blocks that describe how to decompress this pak entry.
uint32
CompressionBlockSize
Size of a compressed block in the file.
uint32
CompressionMethodIndex
Indexinto the compression methods in this pakfile.
uint8
Flags
Pak entry flags.
uint8[20]
Hash
File SHA1 value.
int64
Offset
Offset into pak file where the file is stored.
int64
Size
Serialized file size.
int64
UncompressedSize
Uncompressed file size.
bool
Verified
Flag is set to true when FileHeader has been checked against PakHeader. It is not serialized.